#define _CRT_SECURE_NO_WARNINGS 1
#include <stdio.h>

int main() {
    int a, b, c = 0;
    scanf("a=%d,b=%d", &a, &b);
    c = a;
    a = b;
    b = c;
    printf("a=%d,b=%d", a, b);

    return 0;
}